How to fix Samsung GT-i9300 Yellow Text Overlay (factory mode?)

How to fix Samsung GT-i9300 Yellow Text Overlay (factory mode?)


Status



Tools
1: We Need rooted your devices Root-SGS3-v6.3
2: Run CMD ( command )

Procedure

1) backup /efs/FactoryApp and /efs/imei
2) remove /efs/FactoryApp and /efs/imei
3) reboot
4) if device is rooted

Code:

adb shell su
adb shell echo -n ON > /efs/FactoryApp/keystr
adb shell echo -n ON > /efs/FactoryApp/factorymode
adb shell reboot

Other Solution No need rooted Devices

if device is not rooted, you have to have adb tool from android sdk, after installing sdk run SDK Manager (if it doesn't start, use sdk\tools\android insted) you have to select and install Extras/Google USB Driver, then
4.1) reboot into recovery mode
4.2) install Google USB driver from driver manager (there is a guide for this but I can't post external links yet)
4.3)

Code:

adb shell

4.4) run commands:

Code:

adb shell mount /efs
adb shell mount -o remount,rw /efs
adb shell echo -n ON > /efs/FactoryApp/keystr
adb shell echo -n ON > /efs/FactoryApp/factorymode
adb shell reboot

My Finish Product